This song is also used in the intro to the film Hackers. To me, it set the tone for the film. In middle school, I’d run and watch the film in the morning and learn to program in the afternoon to late at night. It was such a magical song and allowed me discover similar music from the era.

A great track, but if I really had to pick only one I'd choose Lush 3.

Also... I think Halcyon+On+On is amazing, but it's based so heavily on Opus III's cover of It's a Fine Day that it borders on being a (fantastic) remix. Also interesting to look back at the earlier remix of the original recording of that song by A Guy Called Gerald.